使用 struts.xml 中的内容作为注释值 - Struts2 Java

Question

I have a constant in struts.xml which sets the dateformat

<constant name="date.format" value="dd-MMM-yyyy" />

I want to use this constant as a annotation value in a bean class for a setter method like:

@JSON(format="date.format")               
public void setEndDate(Date endDate) {       
  this.endDate = endDate;
}

Is this possible?

Answer 1

The struts has an internal dependency injection, which you can use as:

public class Sample extends BaseActionSupport {

private String format;    

public String execute(){     
  //In you action
  System.out.println("The format is" + format);
}

@com.opensymphony.xwork2.inject.Inject("date.format")
public void setFormat(String format) {
    this.format = format;
}

The struts injects the date.format by calling setFormat and you can use it in action methods.